Kotayk (Armenian: Կոտայք, Armenian pronunciation: (About this sound listen)), is a province (marz) of Armenia. It is located at the central part of the country. Its capital is Hrazdan and the largest city is Abovyan. It is named after the Kotayk canton of the historic Ayrarat province of Ancient Armenia.
Kotayk is bordered by Lori Province from the north, Tavush Province from the northeast, Gegharkunik Province from the east, Aragatsotn Province from the west, and Ararat Province and the capital Yerevan from the south. Kotayk is the only province in Armenia that has no borders with foreign countries.